Last Minute Flights from Ontario

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Fare calendar for the next 30 days
Fare calendar for the next 30 days

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* Rates are in CAD and based on historical search data, subject to change. GoLastMinute is a travel comparison site and does not sell tickets. Prices and availability are provided by partners and may not be available for your departure city. $69+ CAD sample rate based on a roundtrip fare from SAN to PHX from 06/05/2026 - 06/08/2026, found on 05/24/2026 with Frontier Airlines for $63 CAD.

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Last Minute Flight Deals from Ontario to Anywhere

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Seattle
$274+
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Portland
$305+
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Phoenix
$334+
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Santa Rosa
$341+
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Charlotte
$343+
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Denver
$349+
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Austin
$358+
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Salt Lake City
$359+
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San Francisco
$361+
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Sacramento
$366+
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San Antonio
$369+
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Las Vegas
$371+
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San Francisco
$375+
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Washington, D.C.
$378+
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Reno
$380+
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Las Vegas
$389+
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Las Vegas
$157+
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San Francisco
$230+
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Salt Lake City
$256+
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Denver
$257+
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El Paso
$266+
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Nashville
$269+
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Kansas City
$272+
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Oklahoma City
$272+
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Austin
$279+
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San Jose
$280+
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Dallas
$285+
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Miami
$286+
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Seattle
$287+
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Phoenix
$297+
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Sacramento
$311+
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Reno
$316+
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Last Minute Flight Deals from Ontario to Top Cities

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
San Francisco
$46+
Aug 22 – Aug 25
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Denver
$65+
Aug 13 – Aug 22
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Phoenix
$96+
Aug 13 – Aug 31
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Las Vegas
$112+
Aug 26 – Aug 27
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Los Angeles
$119+
Aug 22 – Aug 25
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Seattle
$127+
Aug 26 – Aug 27
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Atlanta
$142+
Aug 24 – Aug 26
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Nashville
$159+
Aug 19 – Aug 22
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Dallas
$160+
Aug 26 – Aug 29
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Miami
$186+
Aug 15 – Aug 22
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Orlando
$197+
Aug 18 – Aug 25
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Fort Lauderdale
$229+
Aug 22 – Aug 26
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Airports in and nearby Ontario

The most commonly used airport near to Ontario is Ontario International (ONT), which is 2.75 kilometers from the center of the city.

Where can I go from Ontario International (ONT)?

People search the most for flights from Ontario to Las Vegas, Seattle, and Phoenix.

How to find the cheapest flights from Ontario?

The GoLastMinute Canada Fare Calendar is a great tool to find the best prices.